Nissan Maxima Service and Repair Manual: B2623 inside key antenna 3

Nissan Maxima Service and Repair Manual / Body exterior, doors, roof & vehicle security / Door & lock / DTC/circuit diagnosis / B2623 inside key antenna 3

Description

Detects whether Intelligent Key is inside the vehicle.

Installed in the trunk room.

DTC Logic

NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.

  • Check Intelligent Key relative signal strength
  • Confirm vehicle Intelligent Key antenna signal strength

DTC DETECTION LOGIC

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Perform rear parcel shelf antenna INSIDE ANT DIAGNOSIS on "Work Support" of "INTELLIGENT KEY".
  2. Perform "INTELLIGENT KEY" Self Diagnostic Result.

Diagnosis Procedure

NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.

  • Check Intelligent Key relative signal strength
  • Confirm vehicle Intelligent Key antenna signal strength

1. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

  1. Turn ignition switch OFF.
  2. Check signal between BCM connector and ground with oscilloscope.

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

2. CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

  1. Disconnect BCM and rear parcel shelf antenna connector.
  2. Check continuity between BCM connector and rear parcel shelf antenna connector.
  3. Check continuity between BCM connector and ground.

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

3. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

  1. Replace rear parcel shelf antenna (new antenna or other antenna).
  2. Connect BCM and rear parcel shelf antenna connector.
  3. Check signal between BCM connector and ground with oscilloscope.

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

    B2622 inside key antenna 2
    Description Detects whether Intelligent Key is inside the vehicle. Installed under the center console. DTC Logic NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following ...

    Power supply and ground circuit
    Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blown 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect BCM. C ...

    Other materials:

    Outside the vehicle
    The maintenance items listed here should be performed from time to time, unless otherwise specified. Doors and engine hood: Check that the doors and engine hood operate properly. Also ensure that all latches lock securely. Lubricate hinges, latches, latch pins, rollers and links if necessary ...

    Steering column
    Disassembly and Assembly The steering column assembly without electric motor is not serviceable and must be replaced as an assembly. With Electric Motor Steering column assembly Telescope motor Telescope motor link bracket Tilt motor Tilt motor bolt cap DISASSEMBLY Remo ...

    C1111 pump motor
    Description PUMP The pump returns the brake fluid stored in the reservoir to the master cylinder by reducing the pressure. MOTOR The motor drives the pump according to the signals transmitted by the ABS actuator and electric unit (control unit). DTC Logic DTC DETECTION LOGIC DTC CON ...

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    Nissan Maxima Service and Repair Manual

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